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    SubjectRe: 2.6.38: Quota over NFS4
    Date
    On czwartek, 17 marca 2011 o 14:32:47 Adam Lackorzynski wrote:
    > Hello,
    >
    > I'm seeing a problem with quotas in a system where the server running
    > 2.6.38 exports an XFS filesystem via NFS4 to a client. The client kernel
    > version does not seem to play a role, checked with 2.6.38, 2.6.37 and
    > 2.6.36. The following script and output show the problem:
    >
    > #! /bin/sh
    >
    > quota | grep home
    > du
    > cp /bin/ls x1
    > du
    > cat x1 > /dev/null
    > rm x1
    > du
    > quota | grep home
    >
    > Output:
    >
    > homes:/home/ 8194720 9072000 9174400 403670 500000 550000
    > 0 .
    > 96 .
    > 0 .
    > homes:/home/ 8194816 9072000 9174400 403671 500000 550000
    >
    >
    > As can be seen the 96 kb are still accounted on the quota of the user.
    > Removing the 'cat' command from the script makes the quota be ok again
    > (original value). Also mounting via nfs3 does not exhibit it, same for
    > running the script on the nfs-server directly.
    >
    > Client mount options are:
    > homes:/home/ /home nfs4
    > rw,nosuid,nodev,relatime,vers=4,rsize=1048576,wsize=1048576,namlen=255,har
    > d,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=1.2.3.3,minorvers
    > ion=0,local_lock=none,addr=1.2.3.4 0 0
    >
    > Server mount options are:
    > /dev/mapper/vg-homefs /home xfs rw,nosuid,nodev,relatime,attr2,usrquota 0 0
    >
    >
    I created a Bugzilla entry at
    https://bugzilla.kernel.org/show_bug.cgi?id=31532
    for your bug report, please add your address to the CC list in there, thanks!

    --
    Maciej Rutecki
    http://www.maciek.unixy.pl


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